Subdivision of Urban Traffic Area Based on the Combination of Static Zoning and Dynamic Zoning

Jing Luo, Qingnian Zhang and Ya Jia

Discrete Dynamics in Nature and Society, 2021, vol. 2021, 1-17

Abstract: In this paper, the traffic area of subzone division in urban road network is studied and a subzone division method based on the combination of static partition and dynamic partition is proposed. The static partition is carried out for the road network when the traffic flow is in a noncongested state, so as to provide the decision-making basis for the traffic green wave signal control strategy. At the same time, aiming at the road network when the traffic flow is congested, the dynamic partition is carried out on the basis of static partition to provide the decision-making basis for the traffic maximum flow signal control strategy. In view of the fact that it is difficult to determine the clustering center point during the initial division, this method proposes to determine the clustering center point according to the value of nodes of betweenness centrality. In order to solve the problem that it is difficult to collect traffic data, a method for estimating traffic flow density is proposed. In order to solve the problem of normalization of different probability distribution among various parameters, Mahalanobis distance is used as the fusion index of subzone division. Model verification shows that the method is feasible and effective.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:9954267

DOI: 10.1155/2021/9954267

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